The UN envoy for sexual violence in conflict found “a gross lack” of support for women and girls who were raped and forced into sexual slavery by Islamic State extremists in Iraq, and survivors she met “were like living corpses”.

Police have detained 12 suspected Islamic State militants in the Turkish capital, Ankara, and were searching for eight others, state media reported, as the US Embassy was closed due to an unspecified security threat.

Billions of dollars have been pledged at a donor conference for Iraq’s reconstruction after the country’s devastating war with the Islamic State group, though the amounts announced so far still fall short of the 88.2 billion US dollars Baghdad is seeking.

An Uzbek man who carried out a deadly attack in Stockholm last year swore allegiance to the Islamic State group in a video and wrote that he wanted “to scare the infidels and leave my life”, prosecutors have said.